2587808780 has 12 divisors (see below), whose sum is σ = 5434398480. Its totient is φ = 1035123504.

The previous prime is 2587808753. The next prime is 2587808807. The reversal of 2587808780 is 878087852.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2587808753) and next prime (2587808807).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64695200 + ... + 64695239.

It is an arithmetic number, because the mean of its divisors is an integer number (452866540).

Almost surely, 2^2587808780 is an apocalyptic number.

2587808780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2587808780 is an abundant number, since it is smaller than the sum of its proper divisors (2846589700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2587808780 is a wasteful number, since it uses less digits than its factorization.

2587808780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129390448 (or 129390446 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 53.

The square root of 2587808780 is about 50870.5099247098. The cubic root of 2587808780 is about 1372.9162982379.

The spelling of 2587808780 in words is "two billion, five hundred eighty-seven million, eight hundred eight thousand, seven hundred eighty".